Home / 3,075.48-4,614.84-1,431.60

Finding the Fourth Proportional to 3,075.48, 4,614.84 and 1,431.60

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Solution

The fourth proportional to 3,075.48, 4,614.84 and 1,431.60 is: 2,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.48 : 4,614.84 = 1,431.60 : x
  2. Step 2: Convert to fraction form
    3,075.48/4,614.84 = 1,431.60/x
  3. Step 3: Cross multiply
    3,075.48x = 4,614.84 × 1,431.60
  4. Step 4: Simplify right side
    3,075.48x = 6,606,604.94
  5. Step 5: Solve for x
    x = 6,606,604.94/3,075.48
  6. Step 6: Final answer
    x = 2,148.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.